33012225420 has 96 divisors (see below), whose sum is σ = 93190540800. Its totient is φ = 8731514880.

The previous prime is 33012225419. The next prime is 33012225503. The reversal of 33012225420 is 2452221033.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3947964 + ... + 3956316.

It is an arithmetic number, because the mean of its divisors is an integer number (970734800).

Almost surely, 2^33012225420 is an apocalyptic number.

33012225420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33012225420 is an abundant number, since it is smaller than the sum of its proper divisors (60178315380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33012225420 is a wasteful number, since it uses less digits than its factorization.

33012225420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8895 (or 8893 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 33012225420 its reverse (2452221033), we get a palindrome (35464446453).

The spelling of 33012225420 in words is "thirty-three billion, twelve million, two hundred twenty-five thousand, four hundred twenty".